Simulation of Fatigue Crack Propagation in Railway Axles

S Beretta; M Carboni

doi:10.1520/STP11506S

SYMPOSIA PAPER Published: 01 January 2005

STP11506S

Simulation of Fatigue Crack Propagation in Railway Axles

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The need for optimizing inspection intervals of wheelsets has led to increasing attention to those of railway axles. This paper addresses this issue by comparing predictions obtained by an EPFM model and two widely used fatigue crack growth softwares (namely AFGROW and NASGRO) with a set of propagation data derived from small and full-scale specimens made of 30NiCrMoV12, a high strength steel used for railway axles. Comparisons, made under constant amplitude and block loading, support the application of the considered fatigue crack growth algorithms to the estimation of inspection intervals.

Author Information

Beretta, S

Politecnico di Milano, Milano, Italy

Carboni, M

Politecnico di Milano, Milano, Italy

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Details

Developed by Committee: E08

Pages: 368–381

DOI: 10.1520/STP11506S

ISBN-EB: 978-0-8031-5505-3

ISBN-13: 978-0-8031-2410-3

Simulation of Fatigue Crack Propagation in Railway Axles

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